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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement consultantNassenSonja Schläpfer GmbH
Sonja Schläpfer GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Sonja Schläpfer GmbH advises businesses and institutions in hospitality and catering, particularly in healthcare and contract catering. Its services include organisational and process optimisation, interim management and project leadership, as well as food-waste consulting and coaching for apprentices.

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Service area

Offering

Products & services

Industry:Management consultant
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4.0/5

Sonja Schläpfer GmbH

✓ Offered6
Advisory, Support and Guidance in Hotels
Analysis, advisory, guidance and support in hotels and facility management in healthcare; optimisation, repositioning, training, quality checks, work organisation and shift deployment planning.
Hotel Interim Management
Temporary assumption of key functions in hotels, housekeeping, kitchen and technical service; taking on mandates, accompanying reorganisations and leading projects.
Advisory, Support and Guidance in Restaurants
Analysis, advisory, guidance and support in the restaurant trade; optimisation, repositioning, training, quality checks, work organisation, concept development and project leadership.
Food Waste Consulting and Workshops
Analysis of the current situation, evaluation report, optimisation plan, workshops and implementation in day-to-day operations on food waste, Foodsave, food safety and purchasing planning.
Restaurant Interim Management
Temporary assumption of management functions in the restaurant sector, as Sous Chef or Chef de Partie; project leadership for reorganisation efforts and Foodsave topics.
Coaching and Support During Apprenticeship
Individual support for young people and apprentices during training; strengthening of strengths and resources, personal development and support when entering the profession.
Trust & reputation

ranQ Trust Score of Sonja Schläpfer GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of November 2026

Sonja Schläpfer GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Sonja Schläpfer GmbH scores 67.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.64.612%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Sonja Schläpfer GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Sonja Schläpfer GmbH scores 14.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sonja Schläpfer GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Magdenauerstrasse 19
9123 Nassen

At a glance

Legal form
Limited Liability Company
UID
CHE-254.726.205
Founded
2021 · 5 years
Last commercial register change
June 24, 2024
Employees
1 to 10

Active in 1 of 26 cantons

  • SGSt. Gallen
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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